| /** |
| * |
| * Copyright (c) 2010-2015, Andras Szabolcs Nagy, Abel Hegedus, Akos Horvath, Zoltan Ujhelyi and Daniel Varro |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * Contributors: |
| * Andras Szabolcs Nagy - initial API and implementation |
| * |
| */ |
| package org.eclipse.viatra.dse.examples.bpmn.patterns; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import org.eclipse.viatra.dse.examples.bpmn.patterns.util.UnassignedTaskQuerySpecification; |
| import org.eclipse.viatra.dse.examples.simplifiedbpmn.Task; |
| import org.eclipse.viatra.query.runtime.api.IPatternMatch; |
| import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch; |
| import org.eclipse.viatra.query.runtime.exception.ViatraQueryException; |
| |
| /** |
| * Pattern-specific match representation of the org.eclipse.viatra.dse.examples.bpmn.patterns.unassignedTask pattern, |
| * to be used in conjunction with {@link UnassignedTaskMatcher}. |
| * |
| * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned. |
| * Each instance is a (possibly partial) substitution of pattern parameters, |
| * usable to represent a match of the pattern in the result of a query, |
| * or to specify the bound (fixed) input parameters when issuing a query. |
| * |
| * @see UnassignedTaskMatcher |
| * @see UnassignedTaskProcessor |
| * |
| */ |
| @SuppressWarnings("all") |
| public abstract class UnassignedTaskMatch extends BasePatternMatch { |
| private Task fT; |
| |
| private static List<String> parameterNames = makeImmutableList("T"); |
| |
| private UnassignedTaskMatch(final Task pT) { |
| this.fT = pT; |
| } |
| |
| @Override |
| public Object get(final String parameterName) { |
| if ("T".equals(parameterName)) return this.fT; |
| return null; |
| } |
| |
| public Task getT() { |
| return this.fT; |
| } |
| |
| @Override |
| public boolean set(final String parameterName, final Object newValue) { |
| if (!isMutable()) throw new java.lang.UnsupportedOperationException(); |
| if ("T".equals(parameterName) ) { |
| this.fT = (Task) newValue; |
| return true; |
| } |
| return false; |
| } |
| |
| public void setT(final Task pT) { |
| if (!isMutable()) throw new java.lang.UnsupportedOperationException(); |
| this.fT = pT; |
| } |
| |
| @Override |
| public String patternName() { |
| return "org.eclipse.viatra.dse.examples.bpmn.patterns.unassignedTask"; |
| } |
| |
| @Override |
| public List<String> parameterNames() { |
| return UnassignedTaskMatch.parameterNames; |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return new Object[]{fT}; |
| } |
| |
| @Override |
| public UnassignedTaskMatch toImmutable() { |
| return isMutable() ? newMatch(fT) : this; |
| } |
| |
| @Override |
| public String prettyPrint() { |
| StringBuilder result = new StringBuilder(); |
| result.append("\"T\"=" + prettyPrintValue(fT) |
| ); |
| return result.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((fT == null) ? 0 : fT.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (this == obj) |
| return true; |
| if (!(obj instanceof UnassignedTaskMatch)) { // this should be infrequent |
| if (obj == null) { |
| return false; |
| } |
| if (!(obj instanceof IPatternMatch)) { |
| return false; |
| } |
| IPatternMatch otherSig = (IPatternMatch) obj; |
| if (!specification().equals(otherSig.specification())) |
| return false; |
| return Arrays.deepEquals(toArray(), otherSig.toArray()); |
| } |
| UnassignedTaskMatch other = (UnassignedTaskMatch) obj; |
| if (fT == null) {if (other.fT != null) return false;} |
| else if (!fT.equals(other.fT)) return false; |
| return true; |
| } |
| |
| @Override |
| public UnassignedTaskQuerySpecification specification() { |
| try { |
| return UnassignedTaskQuerySpecification.instance(); |
| } catch (ViatraQueryException ex) { |
| // This cannot happen, as the match object can only be instantiated if the query specification exists |
| throw new IllegalStateException (ex); |
| } |
| } |
| |
| /** |
| * Returns an empty, mutable match. |
| * Fields of the mutable match can be filled to create a partial match, usable as matcher input. |
| * |
| * @return the empty match. |
| * |
| */ |
| public static UnassignedTaskMatch newEmptyMatch() { |
| return new Mutable(null); |
| } |
| |
| /** |
| * Returns a mutable (partial) match. |
| * Fields of the mutable match can be filled to create a partial match, usable as matcher input. |
| * |
| * @param pT the fixed value of pattern parameter T, or null if not bound. |
| * @return the new, mutable (partial) match object. |
| * |
| */ |
| public static UnassignedTaskMatch newMutableMatch(final Task pT) { |
| return new Mutable(pT); |
| } |
| |
| /** |
| * Returns a new (partial) match. |
| * This can be used e.g. to call the matcher with a partial match. |
| * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object. |
| * @param pT the fixed value of pattern parameter T, or null if not bound. |
| * @return the (partial) match object. |
| * |
| */ |
| public static UnassignedTaskMatch newMatch(final Task pT) { |
| return new Immutable(pT); |
| } |
| |
| private static final class Mutable extends UnassignedTaskMatch { |
| Mutable(final Task pT) { |
| super(pT); |
| } |
| |
| @Override |
| public boolean isMutable() { |
| return true; |
| } |
| } |
| |
| private static final class Immutable extends UnassignedTaskMatch { |
| Immutable(final Task pT) { |
| super(pT); |
| } |
| |
| @Override |
| public boolean isMutable() { |
| return false; |
| } |
| } |
| } |